Finite Group Databasebeta

D63⋊D71 #31822017

order17892
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD63⋊D71
unambiguous semidirect productD497⋊D9
unambiguous semidirect productD639⋊D7

Splittings

Fitting, derived, HallC7×C9×C71 ⋊ C22
HallC9×C71 ⋊ C2×D7
HallC7×C71 ⋊ C2×D9
SylowC71 ⋊ D7×D9
HallC7×C9 ⋊ C2×D71
SylowC9 ⋊ D7×D71
SylowC7 ⋊ D9×D71

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC7×C9×C71C22
FrattiniC3D21⋊D71
socleC3×C7×C71C2×D3
LCSG ▷ C7×C9×C71
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4473

Polycyclic presentation:

2^2,3,7,71,3|c^3=f^2,d^a=d^6,e^a=e^70,c^b=c^2f,d^b=d^6,f^b=f^2

Conjugacy classes & character table

1185 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17892, 34);